Roman Numerals
How do you read Roman Numerals values?
Add the Roman Numerals to find the number values.
I
=
1
I
I
=
2
I
I
I
=
3
V
=
5
V
I
=
6
V
I
I
=
7
V
I
I
I
=
8
X
=
1
0
X
I
=
1
1
X
I
I
=
1
2
What happened to 4 and 9?
Roman Numerals are usually lined up from the greatest value to the least value. The exceptions are the values ending in 4 or 9, and the numbers beginning with a 4 or 9.
I
V
=
4
I
X
=
9
X
L
=
4
0
X
C
=
9
0
C
D
=
4
0
0
C
M
=
9
0
0
Whenever a smaller Roman Numeral is placed before a Roman Numeral that is the next greater value, then the smaller value is subtracted from the larger value.
X
X
I
V
=
2
4
X
L
I
X
=
4
9